package com.itheima.service;

import com.itheima.common.BarChartData;
import com.itheima.common.PageBean;
import com.itheima.dto.CustomerDto;

public interface CustomerService {
    /**
     * 检查项分页条件查询
     * @param customerDto 条件
     * @return PageBean
     */
    PageBean pageQuery(CustomerDto customerDto);

    /**
     * 会员年龄统计
     * @return BarChartData
     */
    BarChartData ageReport();
}
